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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/intel-mid.h
parentInitial commit. (diff)
downloadlinux-upstream/4.19.249.tar.xz
linux-upstream/4.19.249.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/intel-mid.h')
-rw-r--r--arch/x86/include/asm/intel-mid.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h
new file mode 100644
index 000000000..52f815a80
--- /dev/null
+++ b/arch/x86/include/asm/intel-mid.h
@@ -0,0 +1,134 @@
+/*
+ * intel-mid.h: Intel MID specific setup code
+ *
+ * (C) Copyright 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+#ifndef _ASM_X86_INTEL_MID_H
+#define _ASM_X86_INTEL_MID_H
+
+#include <linux/sfi.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+
+extern int intel_mid_pci_init(void);
+extern int intel_mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state);
+extern pci_power_t intel_mid_pci_get_power_state(struct pci_dev *pdev);
+
+extern void intel_mid_pwr_power_off(void);
+
+#define INTEL_MID_PWR_LSS_OFFSET 4
+#define INTEL_MID_PWR_LSS_TYPE (1 << 7)
+
+extern int intel_mid_pwr_get_lss_id(struct pci_dev *pdev);
+
+extern int get_gpio_by_name(const char *name);
+extern int __init sfi_parse_mrtc(struct sfi_table_header *table);
+extern int __init sfi_parse_mtmr(struct sfi_table_header *table);
+extern int sfi_mrtc_num;
+extern struct sfi_rtc_table_entry sfi_mrtc_array[];
+
+/*
+ * Here defines the array of devices platform data that IAFW would export
+ * through SFI "DEVS" table, we use name and type to match the device and
+ * its platform data.
+ */
+struct devs_id {
+ char name[SFI_NAME_LEN + 1];
+ u8 type;
+ u8 delay;
+ u8 msic;
+ void *(*get_platform_data)(void *info);
+};
+
+#define sfi_device(i) \
+ static const struct devs_id *const __intel_mid_sfi_##i##_dev __used \
+ __attribute__((__section__(".x86_intel_mid_dev.init"))) = &i
+
+/**
+* struct mid_sd_board_info - template for SD device creation
+* @name: identifies the driver
+* @bus_num: board-specific identifier for a given SD controller
+* @max_clk: the maximum frequency device supports
+* @platform_data: the particular data stored there is driver-specific
+*/
+struct mid_sd_board_info {
+ char name[SFI_NAME_LEN];
+ int bus_num;
+ unsigned short addr;
+ u32 max_clk;
+ void *platform_data;
+};
+
+/*
+ * Medfield is the follow-up of Moorestown, it combines two chip solution into
+ * one. Other than that it also added always-on and constant tsc and lapic
+ * timers. Medfield is the platform name, and the chip name is called Penwell
+ * we treat Medfield/Penwell as a variant of Moorestown. Penwell can be
+ * identified via MSRs.
+ */
+enum intel_mid_cpu_type {
+ /* 1 was Moorestown */
+ INTEL_MID_CPU_CHIP_PENWELL = 2,
+ INTEL_MID_CPU_CHIP_CLOVERVIEW,
+ INTEL_MID_CPU_CHIP_TANGIER,
+};
+
+extern enum intel_mid_cpu_type __intel_mid_cpu_chip;
+
+#ifdef CONFIG_X86_INTEL_MID
+
+static inline enum intel_mid_cpu_type intel_mid_identify_cpu(void)
+{
+ return __intel_mid_cpu_chip;
+}
+
+static inline bool intel_mid_has_msic(void)
+{
+ return (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_PENWELL);
+}
+
+#else /* !CONFIG_X86_INTEL_MID */
+
+#define intel_mid_identify_cpu() 0
+#define intel_mid_has_msic() 0
+
+#endif /* !CONFIG_X86_INTEL_MID */
+
+enum intel_mid_timer_options {
+ INTEL_MID_TIMER_DEFAULT,
+ INTEL_MID_TIMER_APBT_ONLY,
+ INTEL_MID_TIMER_LAPIC_APBT,
+};
+
+extern enum intel_mid_timer_options intel_mid_timer_options;
+
+/* Bus Select SoC Fuse value */
+#define BSEL_SOC_FUSE_MASK 0x7
+/* FSB 133MHz */
+#define BSEL_SOC_FUSE_001 0x1
+/* FSB 100MHz */
+#define BSEL_SOC_FUSE_101 0x5
+/* FSB 83MHz */
+#define BSEL_SOC_FUSE_111 0x7
+
+#define SFI_MTMR_MAX_NUM 8
+#define SFI_MRTC_MAX 8
+
+extern void intel_scu_devices_create(void);
+extern void intel_scu_devices_destroy(void);
+
+/* VRTC timer */
+#define MRST_VRTC_MAP_SZ 1024
+/* #define MRST_VRTC_PGOFFSET 0xc00 */
+
+extern void intel_mid_rtc_init(void);
+
+/* The offset for the mapping of global gpio pin to irq */
+#define INTEL_MID_IRQ_OFFSET 0x100
+
+#endif /* _ASM_X86_INTEL_MID_H */